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Mirrors > Home > ILE Home > Th. List > strle2g | GIF version |
Description: Make a structure from a pair. (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 27-Jan-2023.) |
Ref | Expression |
---|---|
strle1.i | ⊢ 𝐼 ∈ ℕ |
strle1.a | ⊢ 𝐴 = 𝐼 |
strle2.j | ⊢ 𝐼 < 𝐽 |
strle2.k | ⊢ 𝐽 ∈ ℕ |
strle2.b | ⊢ 𝐵 = 𝐽 |
Ref | Expression |
---|---|
strle2g | ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} Struct 〈𝐼, 𝐽〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-pr 3625 | . 2 ⊢ {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} = ({〈𝐴, 𝑋〉} ∪ {〈𝐵, 𝑌〉}) | |
2 | strle1.i | . . . . 5 ⊢ 𝐼 ∈ ℕ | |
3 | strle1.a | . . . . 5 ⊢ 𝐴 = 𝐼 | |
4 | 2, 3 | strle1g 12724 | . . . 4 ⊢ (𝑋 ∈ 𝑉 → {〈𝐴, 𝑋〉} Struct 〈𝐼, 𝐼〉) |
5 | 4 | adantr 276 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉} Struct 〈𝐼, 𝐼〉) |
6 | strle2.k | . . . . 5 ⊢ 𝐽 ∈ ℕ | |
7 | strle2.b | . . . . 5 ⊢ 𝐵 = 𝐽 | |
8 | 6, 7 | strle1g 12724 | . . . 4 ⊢ (𝑌 ∈ 𝑊 → {〈𝐵, 𝑌〉} Struct 〈𝐽, 𝐽〉) |
9 | 8 | adantl 277 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐵, 𝑌〉} Struct 〈𝐽, 𝐽〉) |
10 | strle2.j | . . . 4 ⊢ 𝐼 < 𝐽 | |
11 | 10 | a1i 9 | . . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → 𝐼 < 𝐽) |
12 | 5, 9, 11 | strleund 12721 | . 2 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → ({〈𝐴, 𝑋〉} ∪ {〈𝐵, 𝑌〉}) Struct 〈𝐼, 𝐽〉) |
13 | 1, 12 | eqbrtrid 4064 | 1 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑊) → {〈𝐴, 𝑋〉, 〈𝐵, 𝑌〉} Struct 〈𝐼, 𝐽〉) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2164 ∪ cun 3151 {csn 3618 {cpr 3619 〈cop 3621 class class class wbr 4029 < clt 8054 ℕcn 8982 Struct cstr 12614 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-addcom 7972 ax-addass 7974 ax-distr 7976 ax-i2m1 7977 ax-0lt1 7978 ax-0id 7980 ax-rnegex 7981 ax-cnre 7983 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 ax-pre-apti 7987 ax-pre-ltadd 7988 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rab 2481 df-v 2762 df-sbc 2986 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-fv 5262 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 df-sub 8192 df-neg 8193 df-inn 8983 df-n0 9241 df-z 9318 df-uz 9593 df-fz 10075 df-struct 12620 |
This theorem is referenced by: strle3g 12726 2strstrg 12736 |
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